Cock and faucet



(No Model.)

G. B; MGGRAGKEN. 000K AND FAUGET.

Patented May 13, 1884.

UNITED STATES PATENT GFFICEQ GEORGE B. MOCRACKEN, OF VVILLIMANTIC, CONNECTICUT.

COCK AND FAUCET.

SPECIFICATION forming part of Letters Patent No. 298,394, dated May 13, 1884.

Application filed August '7, 1883. (No model.)

T on whom it may concern: I

Be it known that I, GEORGE B. llIOORAOKEN, a citizen of the United States, residing at Willimantic, in the county of Vvindham and State of Connecticut, have invented a new and useful Cock and Faucet, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to cocks and faucets of that class which have a reciprocating valve; and its object is to provide a device possessing superior advantages in point of simplicity, inexpensiveness, durability, and general efficiency.

In the d awings, Figure 1 is a sectional elevation of the valve. Fig. 2 is a transverse sectional view on the line a: m, Fig. 1. Fig. 3 is a transverse sectional view on the line 3 3 Fig. 1. Fig. 4 is a transverse sectional view on the line z 2, Fig. 1. Fig. 5 is a detail seetional view of the piston or valve shell. Fig. 6 is a side elevation, in detail, of the spindleseat. Fig. 7 is an end view of the same.

Referring to the drawings, A designates the body of the valve, in which is arranged the partition or diaphragm B, carrying the hardmetal valve-seat C, which may be integral with the body.

D is the top section of the body, which is screwed into the main portion of the body, and is provided with the usual screw-threaded bore, E, to accommodate the screw-threaded spindle F, by which the Valve is operated, a packing-nut, G, being preferably employed, as shown.

At the end of the valve-chamber H in the section D is formed an annular enlargement, I, so that no interior shoulder will be formed on the walls of this chamber H by friction of the piston against the-said stem in opening and closing the valve.

J is the piston-shell, which is arranged to fit neatly in the chamber H, and is formed with an inturned flange, K, at its top, below which is formed a series of interior screw-threads, L, and below this portion L it is provided with interior annular shoulders or flanges, M M, as shown.

In setting-up the valve the spindle F is inserted through the shell J .until its annular end enlargement or head, N, comes against the flange K, when the spindle-seat or lock-nut O is screwed up into the piston against the spindle by means of its stem P, which is provided with a groove, Q, for the engagement of a screw-driver, and with exterior annular shoulders or flanges, R. It is not essential that the lock-nut 0 be screw-threaded, as the-valve disk S will serve to hold it in position up against the spindle, so that there will be no lost motion of the latter in opening and closing the valve. After the spindle, piston, and lock-nut are placed in position, the soft-metal valve-disk S is moldedinto the piston, and

serves to look all the parts of the latter in position, so that there will be no wabbling or movement of the same, and the disk is secured from displacement by the flanges M M and R R. The lower edge, T, of disk S is beveled to provide for any upsetting which may take place, and its bottom is preferably dished, as shown at U, to lessen the removal of stock when the disk needs facing off, in which the inner square edge, V, of the stem D will serve as a guide to true the face of the said disk.

The operation and advantages of my invention will be readily understood. The valve can be easily repaired by moving the section D and operating upon the soft-metal valveseat, by melting out which latter the lock-nut can be adjusted up against the end of the spindle to take up any wear. The parts of the valve are all protected from sediment, &c., and the spindle and piston, as well as the other parts, are securely locked together. Should the valve remain open a long time and become corroded, the lower edge, W, of the pistonshell will scrape the interior of the section D in closing the valve and remove all corrosion. In like manner, should the valve remain closed a long time, the lower edge, V, of the section D would scrape the piston clean.

I claim as my invention 1. A stop-cock comprising in its coustruction the top section of the valve-body, having the piston-recess and the squared-off inner end or edge, the reciprocating piston in the said recess, and the soft-metal valve-disk, whereby the disk may be trued from the squared edge, substantially as set forth.

2. The herein-described valve-piston, comprising the piston-shell having the annular iuturned flange at its top and formed with the 1 the seat therein, the removable top section of 20 annular interior flanges, the lock-nut arranged in the piston and having the annularly-flanged' stem, the spindle having the enlarged end working between the lock-nut and the inturned flange, and the soft-metal valve-disk molded in the piston and around the stem of the nut to look the parts securely together, substantially as and for the purpose set forth.

3. The combination of the body of the valve, the projecting valve-seat arranged therein, the removabletop section of the body, having the piston-recess and formed with the squared-off inner end, the piston-shell fitting neatly in the recess and having the square lower end, the operating-spindle, and the valve-disk secured in the piston, substantially as and for the purpose set forth.

4. The combination of the body of the valve,

the body, having the piston-chamber, the spindle working through this section and formed with the enlarged end, the piston-shell having the annular inturned top flanges and the interior annular flanges, the lock-nut having the annnlarly-flanged stem, and arranged in the piston to form the spindle-seat, and the soft- Inetal valve-disk molded in the piston and around the lock-nut, substantially as and for the purpose set forth.

In testimony that I claim the foregoing as my own I have hereto aifixed my signature in presence of two witnesses.

GEORGE B. MCCRACKEN.

WVitnesses:

J AMES WALDEN, EDWARD J. MURRAY. 

